PFERD 69309 Cut-Off Wheel, Type 1 Flat, Universal Line PS-FORTE, Outside Diameter: 3 Inch, Thickness: 1/16 Inch, Arbor Hole / Thread Size: 3/8 Inch A.H., Grade: P (Medium-Hard), Grit: 36, Abrasive Type: Aluminum Oxide, Max Speed: 25000 Rpm, Mounting: Arbor, Product / Materials Abraded: Steel